EN IEC 62772:2023

Composite hollow core station post insulators with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V - Definitions, test methods and acceptance criteria

This International Standard applies to composite hollow core station post insulators consisting of a load-bearing insulating tube (core) made of resin impregnated fibres, insulating filler material (solid, liquid, gaseous - pressurized or unpressurized), a housing (outside the insulating tube) made of polymeric material (for example silicone or ethylene-propylene) and fixing devices at the ends of the insulating tube. Composite hollow core station post insulators as defined in this standard are intended for general use in substations in both, outdoor and indoor environments, operating with a rated AC voltage greater than 1 000 V a.c. and a frequency not greater than 100 Hz or for use in direct current systems with a rated voltage greater than 1 500 V.d.c. The object of this standard is: to define the terms used; to prescribe test methods; to prescribe acceptance criteria. All the tests in this standard, apart from the thermal-mechanical test, are performed at normal ambient temperature. This standard does not prescribe tests that are characteristic of the apparatus of which the composite hollow core station post insulator ultimately may form a part (e.g. disconnector switch, reactor support, HVDC valves).

Hohlkern-Verbundstützisolatoren für Schaltanlagen mit einer Wechselspannung über 1 000 V und einer Gleichspannung über 1 500 V - Begriffe, Prüfverfahren und Annahmekriterien

Isolateurs supports composites creux présentant une tension alternative supérieure à 1 000 V et une tension continue supérieure à 1 500 V - Définitions, méthodes d'essai et critères d'acceptation

IEC 62772:2023 est disponible sous forme de IEC 62772:2023 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 62772:2023 s’applique aux isolateurs supports composites creux qui sont constitués d’un tube (noyau) isolant en fibres imprégnées de résine supportant la charge mécanique, d’un matériau de charge interne (solide, liquide, gaz, sous pression ou pas), d’un revêtement en polymère à l’extérieur du tube isolant (par exemple silicone ou éthylène-propylène) et de dispositifs de fixation à ses extrémités. Les isolateurs supports composites creux, tels que définis dans la présente norme, sont destinés à l’utilisation générale dans les postes, tant en extérieur qu’en intérieur. Ils fonctionnent avec une tension alternative assignée de plus de 1 000 V en courant alternatif et à une fréquence maximale de 100 Hz, ou sont utilisés dans les systèmes à courant continu avec une tension assignée supérieure à 1 500 V en courant continu. Le présent document a pour objet: - de définir les termes utilisés; - de spécifier des méthodes d’essai; - de spécifier les critères d’acceptation.

Votli kompozitni podporni izolatorji za postaje z izmeničnimi napetostmi, višjimi od 1000 V, in enosmernimi napetostmi, višjimi od 1500 V - Definicije, preskusne metode in merila sprejemljivosti (IEC 62772:2023)

Ta mednarodni standard se uporablja za votle kompozitne izolatorje, sestavljene iz nosilne izolacijske cevi iz vlaken, impregniranih s smolo, ohišja (na zunanji strani izolacijske cevi) iz polimernega materiala (npr. iz silikona ali etilen-propilena) in kovinskih pritrdil ob koncih izolacijske cevi. Votli kompozitni izolatorji, kot so opredeljeni v tem standardu, niso namenjeni splošni uporabi (ki ni pod tlakom) ali uporabi s stalnim tlakom plina (pod tlakom). Namenjeni so za uporabo tako v zunanji kot notranji električni opremi, ki deluje z izmeničnim tokom z izmenično nazivno napetostjo, večjo od 1000 V in frekvenco največ 100 Hz, ali za uporabo v opremi z enosmernim tokom in nazivno enosmerno napetostjo, večjo od 1500 V.
Namen tega standarda je:
– definirati uporabljene izraze;
– določiti preskusne metode;
– določiti merila sprejemljivosti.
Votli izolatorji so vgrajeni v električno opremo, ki je električno tipsko preskušena, kot to zahteva veljavni standard za opremo. Zato ni predmet tega standarda, da predpiše tipske dielektrične preskuse, saj udarne napetosti in trdnost in preskoki niso značilni za same votle izolatorje, ampak za aparat, katerega del je votli izolator.
Vsi preskusi v okviru tega standarda, razen toplotno-mehanskega preskusa, se izvajajo pri običajni temperaturi okolja. Ta standard ne določa preskusov, ki so morda značilni za napravo, katere del je votli izolator.
Votli kompozitni izolatorji so namenjeni za uporabo v električni opremi, kar med drugim vključuje:
– visokonapetostne odklopnike,
– stikala/ločilna stikala,
– ločilnike,
– postajne izolatorje,
– odklopne odklopnike,
– ozemljitvena stikala,
– merilne in močnostne transformatorje,
– uvodnice,
– kabelske zaključke.
Dodatno preskušanje, ki je opredeljeno v zadevnem standardu IEC za opremo, je lahko potrebno.

General Information

• Status: Published
• Publication Date: 21-Dec-2023
• ICS: 29.080.10 - Insulators
• Technical Committee: CLC/SR 36 - Insulators for substations
• Drafting Committee: IEC/TC 36 - IEC_TC_36
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 22-Dec-2023
• Completion Date: 22-Dec-2023
• Ref Project: SIST EN IEC 62772:2024 - Composite hollow core station post insulators with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V - Definitions, test methods and acceptance criteria (IEC 62772:2023)

Relations

• Replaces: EN 62772:2016 - Composite Hollow Core Station Post Insulators for substations with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V - Definitions, test methods and acceptance criteria
• Effective Date: 12-Jan-2021

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2024
Votli kompozitni podporni izolatorji za postaje z izmeničnimi napetostmi, višjimi od
1000 V, in enosmernimi napetostmi, višjimi od 1500 V - Definicije, preskusne
metode in merila sprejemljivosti (IEC 62772:2023)
Composite hollow core station post insulators with a.c. voltage greater than 1 000 V and
d.c. voltage greater than 1 500 V - Definitions, test methods and acceptance criteria (IEC
62772:2023)
Hohlkern-Verbundstützisolatoren für Schaltanlagen mit einer Wechselspannung über 1
000 V und einer Gleichspannung über 1 500 V - Begriffe, Prüfverfahren und
Annahmekriterien (IEC 62772:2023)
Isolateurs supports composites creux présentant une tension alternative supérieure à 1
000 V et une tension continue supérieure à 1 500 V - Définitions, méthodes d'essai et
critères d'acceptation (IEC 62772:2023)
Ta slovenski standard je istoveten z: EN IEC 62772:2023
ICS:
29.080.10 Izolatorji Insulators
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62772

NORME EUROPÉENNE
EUROPÄISCHE NORM December 2023
ICS 29.080.10 Supersedes EN 62772:2016
English Version
Composite hollow core station post insulators with a.c. voltage
greater than 1 000 V and d.c. voltage greater than 1 500 V -
Definitions, test methods and acceptance criteria
(IEC 62772:2023)
Isolateurs supports composites creux présentant une Hohlkern-Verbundstützisolatoren für Schaltanlagen mit
tension alternative supérieure à 1 000 V et une tension einer Wechselspannung über 1 000 V und einer
continue supérieure à 1 500 V - Définitions, méthodes Gleichspannung über 1 500 V - Begriffe, Prüfverfahren und
d'essai et critères d'acceptation Annahmekriterien
(IEC 62772:2023) (IEC 62772:2023)
This European Standard was approved by CENELEC on 2023-12-20. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62772:2023 E
European foreword
The text of document 36/569/FDIS, future edition 2 of IEC 62772, prepared by IEC/TC 36 "Insulators"
was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-09-20
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-12-20
document have to be withdrawn
This document supersedes EN 62772:2016 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62772:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60068-2-17 NOTE Approved as EN IEC 60068-2-17
IEC 62155 NOTE Approved as EN 62155
ISO 1101 NOTE Approved as EN ISO 1101
IEC 60060-1 NOTE Approved as EN 60060-1
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60168 - Tests on indoor and outdoor post EN 60168 -
insulators of ceramic material or glass for
systems with nominal voltages greater than
1 000 V
IEC 61109 - Insulators for overhead lines - Composite EN 61109 -
suspension and tension insulators for a.c.
systems with a nominal voltage greater
than 1 000 V - Definitions, test methods
and acceptance criteria
IEC 61462 - Composite hollow insulators - Pressurized EN IEC 61462 -
and unpressurized insulators for use in
electrical equipment with AC rated voltage
greater than 1 000 V AC and D.C. voltage
greater than 1500V - Definitions, test
methods, acceptance criteria and design
recommendations
IEC 62217 - Polymeric HV insulators for indoor and EN 62217 -
outdoor use - General definitions, test
methods and acceptance criteria
IEC 62231 2006 Composite station post insulators for EN 62231 2006
substations with a.c. voltages greater than
1 000 V up to 245 kV - Definitions, test
methods and acceptance criteria
IEC/TR 62039 - Selection guidelines for polymeric - -
materials for outdoor use under HV stress

IEC 62772 ®
Edition 2.0 2023-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Composite hollow core station post insulators with a.c. voltage greater than

1 000 V and d.c. voltage greater than 1 500 V – Definitions, test methods and

acceptance criteria
Isolateurs supports composites creux présentant une tension alternative

supérieure à 1 000 V et une tension continue supérieure à 1 500 V – Définitions,

méthodes d'essai et critères d'acceptation

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.080.10  ISBN 978-2-8322-7404-0

– 2 – IEC 62772:2023 © IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Identification and marking . 12
5 Environmental conditions . 13
6 Information on transport, storage and installation . 13
7 Classification of tests. 13
7.1 General . 13
7.2 Design tests . 13
7.3 Type tests . 15
7.4 Sample tests . 16
7.5 Routine tests. 16
8 Design tests . 16
8.1 General . 16
8.2 Tests on interfaces and connections of end fittings . 16
8.2.1 General . 16
8.2.2 Test specimens . 17
8.2.3 Reference disruptive- discharge dry power frequency voltage test . 17
8.2.4 Thermal mechanical pre-stressing test . 17
8.2.5 Water immersion pre-stressing test . 17
8.2.6 Verification tests . 17
8.3 Assembled core load tests . 17
8.3.1 Test for the verification of the maximum design cantilever load (MDCL) . 17
8.3.2 Test for the verification of the maximum design torsion load (MDToL) . 18
8.3.3 Verification of the specified tension load (STL) . 19
8.4 Tests on shed and housing material . 19
8.4.1 Hardness test . 19
8.4.2 Accelerated weathering test . 20
8.4.3 Tracking and erosion – 1 000 h salt fog AC voltage test . 20
8.4.4 Flammability test . 20
8.4.5 Hydrophobicity transfer test . 20
8.5 Tests on the tube material . 20
8.5.1 General . 20
8.5.2 Porosity test (Dye penetration test) . 20
8.5.3 Water diffusion test . 20
8.6 Water diffusion test on core with housing . 20
9 Type tests . 20
9.1 Internal pressure test . 20
9.2 Bending test . 20
9.3 Specified tension load test, compression and buckling withstand load test . 20
9.4 Electrical tests . 21
9.4.1 General . 21
9.4.2 Mounting arrangements for electrical tests . 21
9.4.3 Dry lightning impulse withstand voltage test. 21

IEC 62772:2023 © IEC 2023 – 3 –
9.4.4 Dry or wet switching impulse withstand voltage test . 21
9.4.5 Dry power-frequency withstand voltage test . 21
9.4.6 Wet power-frequency withstand voltage test . 21
10 Sample tests . 21
11 Routine tests . 22
11.1 General . 22
11.2 Routine seal leak rate test . 22
11.2.1 General . 22
11.2.2 Test procedure .
...